CN103150013A - Mobile terminal - Google Patents
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- CN103150013A CN103150013A CN2012105575152A CN201210557515A CN103150013A CN 103150013 A CN103150013 A CN 103150013A CN 2012105575152 A CN2012105575152 A CN 2012105575152A CN 201210557515 A CN201210557515 A CN 201210557515A CN 103150013 A CN103150013 A CN 103150013A
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Abstract
The invention discloses a mobile terminal, which comprises a pupil position acquisition device and a mobile terminal main body. The pupil position acquisition device comprises a pupil position acquisition unit and a position information sending unit, wherein the pupil position acquisition unit is used for collecting the position information of eye pupils of a user in real time and sending the position information to the position information sending unit; the position information sending unit is connected with the pupil position acquisition unit; the mobile terminal main body comprises a position information receiving unit, a projection unit and a projection control unit; the projection control unit is respectively connected with the position information wireless receiving unit and the projection unit and is used for controlling an image projecting position of the projection unit in real time after the position information of the eye pupils is received. According to the mobile terminal, the user can view the contents displayed by a display screen directly instead of always lowering the head to view the display screen of a display terminal, so that the health problems of cervical spondylosis, visual acuity decrease and the like of the user are avoided, and the health of the user is guaranteed.
Description
Technical field
The present invention relates to technical field of electric appliances, particularly relate to a kind of mobile terminal.
Background technology
Along with the development of China's science and technology, the domestic electric appliances such as televisor, video camera, digital camera are more and more universal in people's daily life, and various electrical equipment end equipment have become people's indispensable ingredient of living.
At present, along with improving constantly of people's living standard, the development of various mobile terminals rapidly, more and more convergence is identical for the mobile terminal function take smart mobile phone, e-book, panel computer as representative.In field of mobile terminals, if want to obtain the success that is different from others, just need the more audients of exploitation to like, use comfortable function.
For present mobile terminal, when people use mobile terminal to watch e-book or video pictures, mostly adopt the mode of living mobile terminal with hand rest, then bow and watch.Therefore, people bow for a long time and watch mobile terminal, easily bring a series of health problems such as cervical spondylopathy, badly influence the healthy of people; Simultaneously, owing to watching in process, be subject to the restriction of mobile terminal display screen curtain size, people's eyes can not leave the display screen voluntary activity, staring at for a long time the small size display screen watches, easily cause the health problems such as visual impairment, further affected the healthy of people, the product that has reduced people uses impression.
Therefore, at present in the urgent need to developing a kind of mobile terminal, it can need not to allow the user bow all the time and watch the display terminal display screen, can facilitate the user to watch the shown content of display screen, avoid the user health problems such as cervical spondylopathy, visual impairment to occur, guarantee the healthy of user, be conducive to strengthen the user to the product use impression of mobile terminal.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of mobile terminal, it can need not to allow the user bow all the time and watch the display terminal display screen, can facilitate, allow efficiently the user watch the shown content of display screen, avoid the user health problems such as cervical spondylopathy, visual impairment to occur, the assurance user's is healthy, be conducive to strengthen the user to the product use impression of mobile terminal, use mobile terminal to offer convenience to people, satisfy better the needs of people's modern life, be of great practical significance.
For this reason, the invention provides a kind of mobile terminal, comprise pupil position harvester and mobile terminal main body, wherein:
The pupil position harvester comprises pupil position collecting unit and position information sending unit, wherein:
The pupil position collecting unit, then the positional information for Real-time Collection eyes of user pupil place is transmitted to position information sending unit;
Position information sending unit is connected with the pupil position collecting unit, is used for sending in real time mobile terminal main body when receiving the positional information at eyes of user pupil place;
Mobile terminal main body is connected with the pupil position harvester, comprises the positional information radio receiving unit, wherein:
The positional information receiving element is used for receiving the positional information at described pupil position harvester sends eyes of user pupil place, then sends to the projection control module;
Projecting cell is used in real time the picture that shows on described mobile terminal display screen curtain being projected outside projection target;
The projection control module, be connected with positional information radio receiving unit, projecting cell respectively, be used for after the positional information that receives eyes of user pupil place, according to this pupil position information, the picture launching position of controlling projection unit, realize showing the picture that shows on described mobile terminal display screen curtain on eyes of user pupil direction in real time.
Wherein, described pupil position collecting unit is at least one light sensor;
Described light sensor is installed near eyes of user, and described light sensor is used for detecting in real time the light intensity of eyes of user, determines that light intensity the most weak position is the position at eyes of user pupil place, then sends to positional information wireless transmission unit.
Wherein, described pupil position harvester also includes a pair of glasses, and described pupil position collecting unit is installed on the optional position of the inboard close eyes of described glasses.
Wherein, described position information sending unit and positional information receiving element are wireless communication module.
Wherein, described wireless communication module also is connected with at least one antenna.
Wherein, described projecting cell is the projection head that is arranged on the Three dimensional rotation platform.
Wherein, described projection control module is central processor CPU, digital signal processor DSP or the single-chip microprocessor MCU of installing on described mobile terminal.
Wherein, the operation of the positional information at described pupil position collecting unit Real-time Collection eyes of user pupil place is specially:
Set up the first reference frame with plane, glasses place, then gather the eyes of user pupil at the coordinate of the first reference frame;
Accordingly, described projection control module is set up the second reference frame with described mobile terminal self position;
Described projection control module is set up the second reference frame with described mobile terminal self position, described projection control module according to glasses the position in the second reference frame and eyes of user pupil at the coordinate of the first reference frame, carry out the coordinate overlap-add operation, the position of final acquisition eyes of user pupil in the second reference frame, then according to the position of eyes of user pupil in the second reference frame, the picture launching position of controlling projection unit in real time.
Wherein, also comprise:
At least three infra-red ray transmitting unit are installed on the glasses edges, are used in real time the projection target emission infrared ray light to the outside;
The infrared induction unit, be installed on described mobile terminal main body, for the position of joining between the infrared ray light of responding in real time described three infra-red ray transmitting unit emission and described projection target, then according to these three joinings, determine plane, projection target place;
the operation of the picture launching position of described projection control module controlling projection unit is specially: described projection control module is used for according to position and the described projection target place plane position in second reference frame of eyes of user pupil at the first reference frame and the second reference frame, determine the position of joining in the second reference frame on described eyes of user pupil and plane, described projection target place, then throw in real time with this position the picture that shows on described mobile terminal display screen curtain, so that the picture launching position is consistent with user's virtual location.
by above technical scheme provided by the invention as seen, compared with prior art, the invention provides a kind of mobile terminal, it can detect the position of eyes of user pupil in real time, then according to the position of pupil, automatically the image projection that shows on described mobile terminal display screen curtain is arrived on projection target (as projection cloth), can facilitate, allow efficiently the user watch the shown content of display screen, need not to allow the user bow all the time and watch the display terminal display screen, avoid the user cervical spondylopathy to occur, the health problems such as visual impairment, the assurance user's is healthy, be conducive to strengthen the user to the product use impression of mobile terminal, use mobile terminal to offer convenience to people, satisfy better the needs of people's modern life, be of great practical significance.
Description of drawings
Fig. 1 is the structural representation of a kind of mobile terminal provided by the invention;
Fig. 2 is the schematic diagram of the first reference frame A that in a kind of mobile terminal embodiment provided by the invention, the eyes of user pupil is set up with respect to glasses;
Fig. 3 is the schematic diagram of the second reference frame B that in a kind of mobile terminal embodiment provided by the invention, glasses are set up with respect to mobile terminal main body;
Fig. 4 is that in a kind of mobile terminal embodiment provided by the invention, coordinate between eyes of user pupil, glasses, mobile terminal main body, projection target concerns schematic diagram.
Embodiment
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with drawings and embodiments.
Fig. 1 is the structural representation of a kind of mobile terminal provided by the invention.
Referring to Fig. 1, the invention provides a kind of mobile terminal, comprise pupil position harvester 100 and mobile terminal main body 200, wherein:
Pupil position collecting unit 101, then the positional information for Real-time Collection eyes of user pupil place is transmitted to position information sending unit;
Position information sending unit 102 is connected with the pupil position collecting unit, is used for sending in real time mobile terminal main body 200 when receiving the positional information at eyes of user pupil place;
Mobile terminal main body 200 is connected with pupil position harvester 100, comprises the positional information radio receiving unit, wherein:
Positional information receiving element 201 is used for receiving the positional information at described pupil position harvester 100 sends eyes of user pupil place, then sends to the projection control module;
In the present invention, described mobile terminal can comprise mobile phone, PDA(palm PC), any mobile terminal device with menu display function such as mobile PC, panel computer.
On specific implementation, described pupil position collecting unit 101 can be at least one light sensor, described light sensor specifically is installed near eyes of user, be used for detecting in real time the light intensity of eyes of user, determine that light intensity the most weak position is the position at eyes of user pupil place, then send to positional information wireless transmission unit 102.
In the present invention, described pupil position harvester 100 can be a working cell take the glasses form as grown form, be that described pupil position harvester 100 is arranged on a pair of glasses, described pupil position collecting unit 101(is as light sensor) specifically can be installed on as described in glasses inboard optional positions near eyes.
In the present invention, on specific implementation, described position information sending unit 102 and described positional information receiving element 201 can be respectively the unit that any one can send data, it is for example the USB unit, described position information sending unit 102 and positional information receiving element 201 are preferably wireless communication module, specifically be preferably the Wifi module, certainly can also be the wireless communication modules such as bluetooth module.
In the present invention, on specific implementation, described wireless communication module also is connected with at least one antenna.
In the present invention, on specific implementation, described projecting cell 202 can be optical projector, is specifically as follows portable projector, and this projector can amplify by projection lens the picture that shows on described mobile terminal display screen curtain and project on outside projection target.
In the present invention, described projecting cell 202 is preferably the projection head that can freely rotate, is specially the projection head that is arranged on the Three dimensional rotation platform.
In the present invention, on specific implementation, described projection control module 203 can be central processor CPU, digital signal processor DSP or the single-chip microprocessor MCU of installing on described mobile terminal.
For the present invention, positional information for Real-time Collection eyes of user pupil place, described pupil position collecting unit 101 is specially: set up the first reference frame with plane, glasses place, then gather the eyes of user pupil at the coordinate of the first reference frame, namely with the eyes of user pupil with respect to the coordinate on plane, the glasses place positional information as eyes of user pupil place;
At this moment, accordingly, described projection control module 203 is set up the second reference frame with described mobile terminal self position, in order to know the actual three-dimensional coordinate of eyes of user pupil in the second reference frame, described projection control module 203 according to glasses the position in the second reference frame and eyes of user pupil at the coordinate of the first reference frame, carry out the coordinate overlap-add operation, the position of final acquisition eyes of user pupil in the second reference frame, the i.e. actual three-dimensional coordinate of eyes of user pupil in the second reference frame.Therefore, for described projection control module 203, can continue according to the position of eyes of user pupil in the second reference frame, the picture launching position of controlling projection unit, realize at the upper picture that shows on described mobile terminal display screen curtain that shows of eyes of user pupil direction (being eyes of user focus point direction) in real time.
For mobile terminal provided by the invention, for the positional information according to eyes of user pupil place, allow the picture launching position of described projection control module 203 real-time controlling projection unit, mobile terminal provided by the invention also includes:
At least three infra-red ray transmitting unit are installed on the glasses edges, are used in real time the projection target emission infrared ray light to the outside;
The infrared induction unit, be installed on described mobile terminal main body, position for joining between the infrared ray light of responding in real time described three infra-red ray transmitting unit emission and described projection target, then according to these three joinings, determine plane, projection target place, and set up the 3rd reference frame with plane, projection target place, then send to the 3rd reference frame information to described projection control module 203;
the operation of the picture launching position of described projection control module 203 controlling projection unit is specially: described projection control module is used for according to position and the described projection target place plane position in second reference frame of eyes of user pupil at the first reference frame and the second reference frame, determine the position of joining in the second reference frame on described eyes of user pupil and plane, described projection target place, then throw in real time with this position the picture that shows on described mobile terminal display screen curtain, so that the picture launching position is consistent with user's virtual location.Therefore can realize the purpose that the drop shadow spread of mobile terminal of the present invention can coincide with the visual range of eyes of user pupil.Therefore, the present invention can decide according to the eye pupil position picture launching position of controlling projection unit, can automatically adjust along with the variation of eye pupil position the picture launching position of projecting cell.
Understand for clear the technical scheme that the invention described above provides, the below illustrates that take an eye pupil as example the present invention can decide according to the eye pupil position picture launching position of controlling projection unit.
At first, determine the coordinate of glasses.Eye pupil coordinate on the single eyeglass is as example, and referring to Fig. 2, Fig. 2 is the coordinate position of pupil in single eye plate.In figure, O1, YO, XO 3 passes are fixed relationship (because the size of eyeglass is fixing), this effect of 3 is to describe the relative position of this eyeglass in the second reference frame B, as shown in Figure 2, (0,0), (X2,0), (0, Y2) be respectively to fix O1, XO and YO on glasses at 3 at the coordinate position of first reference frame at glasses places, (X1, Y1) is eye pupil is glasses screen place coordinate system at the first reference frame A() in coordinate;
Then, referring to Fig. 3, set up the second reference frame with described mobile terminal self position, utilize cartesian geometry to calculate and obtain the coordinate (X, Y, Z) of eye pupil in the second reference frame B, specific formula for calculation is:
X=X1/X2(XX-XO)+Y1/Y2(XY-XO)；
Y=X1/X2(YX-YO)+Y1/Y2(YY-YO)；
Z=X1/X2(ZX-ZO)+Y1/Y2(ZY-ZO)。
Need to prove, (XY, YY, ZY) expression be coordinate that in Fig. 2, YO is ordered at spectacle-frame with respect to the coordinate in the coordinate system (i.e. the second reference frame) of mobile terminal.In like manner can obtain O1 o'clock coordinate (XO, YO, ZO) and XO o'clock coordinate (XX, YX, ZX) in the second reference frame in the second reference frame.XX, YY, ZZ are the fixed sizes of projected coordinate system.
And (X, Y, Z) expression be eyes of user pupil coordinate in Fig. 2 at spectacle-frame with respect to the coordinate position in mobile terminal coordinate system (i.e. the second reference frame).Shown in utilize the projection lens that can rotate arbitrarily on mobile terminal, can aphylactic map projection in the scope that camera lens can arrive, this projection lens towards the position be exactly by this eyes of user pupil coordinate the coordinate position (X, Y, Z) in the second reference frame come to determine.
For embodiments of the invention, why to introduce three point of fixity O1, XO and YO, be because three points can be determined a plane in a solid space, the expression that the coordinate system at glasses screen place (the first reference frame A) could be complete like this is in the coordinate system of glasses with respect to the mobile terminal place.Three point of fixity O1, XO and YO are arranged on the first reference frame A, and this coordinate of 3 can be by position information sending unit 102(such as WIFI module) pass to the second reference frame B that the projection control module is set up.Because these 3 are fixed, and forever in a plane, thus the first reference frame A can set up and the second reference frame B between corresponding relation.
Wherein, the first reference frame A is the coordinate system at spectacle-frame (glasses screen) place, and the second reference frame B is the reference frame of mobile terminal self position.Why determine a plane with the projected position of these three points, be for the target that prevents projection not in a plane, this time will illusion makes a plane, then carries out projection.In fact be not consider that the position of projection is the plane when projection, just carry out projection by the illusion plane, if the position of projection is a plane really, illustrate just that also he follows the illusion planes overlapping.Do like this is too to limit to (can only projection in the plane) for fear of the position of projection.
In the present invention, for described projection control module, in order to control the picture launching position of described projecting cell, needing all, projecting cell carries out position adjustments control.Detailed process is as follows:
At first, referring to Fig. 4, coordinate (the Xeye of actual position in the second reference frame B by the eyes of user pupil, Yeye, Zeye) coordinate (X of pupil position in the second reference frame B on (this coordinate can be determined by the pupil position collecting unit) and eye glass frame, Y, Z) determine straight line L;
then by infra-red ray transmitting unit loca YO(XY on the spectacle-frame of glasses, YY, ZY), O1(XO, YO, ZO) and XO (XX, YX, ZX) respectively send an infrared ray L1, L2 and L3, and allow infrared ray L1, L2 is parallel with straight line L with L3, this group infrared ray directly is incident upon the Y4 on projection target (for example projection cloth), these three location points of O4 and X4, the particular location of these points can be known by the infrared induction unit, then send to the projection control module by the infrared induction unit, allow the projection control module know coordinate Y4(X5 in the second reference frame B, Y5, Z5), O4(O6, Y6, Z6) and X4(X7, Y7, Z7).Can determine a projection target plane C by these 3, the intersection point on straight line L and this plane is M0 (X6, Y6, Z6), and the central point M1 of drop shadow spread that the projection control module is controlled described projecting cell invests this M0 point position and gets final product.
in sum, compared with prior art, the invention provides a kind of mobile terminal, it can detect the position of eyes of user pupil in real time, then according to the position of pupil, automatically the image projection that shows on described mobile terminal display screen curtain is arrived on projection target (as projection cloth), can facilitate, allow efficiently the user watch the shown content of display screen, need not to allow the user bow all the time and watch the display terminal display screen, avoid the user cervical spondylopathy to occur, the health problems such as visual impairment, the assurance user's is healthy, be conducive to strengthen the user to the product use impression of mobile terminal, use mobile terminal to offer convenience to people, satisfy better the needs of people's modern life, be of great practical significance.
The above is only the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a mobile terminal, is characterized in that, comprises pupil position harvester and mobile terminal main body, wherein:
The pupil position harvester comprises pupil position collecting unit and position information sending unit, wherein:
The pupil position collecting unit, then the positional information for Real-time Collection eyes of user pupil place is transmitted to position information sending unit;
Position information sending unit is connected with the pupil position collecting unit, is used for sending in real time mobile terminal main body when receiving the positional information at eyes of user pupil place;
Mobile terminal main body is connected with the pupil position harvester, comprises the positional information radio receiving unit, wherein:
The positional information receiving element is used for receiving the positional information at described pupil position harvester sends eyes of user pupil place, then sends to the projection control module;
Projecting cell is used in real time the picture that shows on described mobile terminal display screen curtain being projected outside projection target;
The projection control module, be connected with positional information radio receiving unit, projecting cell respectively, be used for after the positional information that receives eyes of user pupil place, according to this pupil position information, the picture launching position of controlling projection unit, realize showing the picture that shows on described mobile terminal display screen curtain on eyes of user pupil direction in real time.
2. mobile terminal as claimed in claim 1, is characterized in that, described pupil position collecting unit is at least one light sensor;
Described light sensor is installed near eyes of user, and described light sensor is used for detecting in real time the light intensity of eyes of user, determines that light intensity the most weak position is the position at eyes of user pupil place, then sends to positional information wireless transmission unit.
3. mobile terminal as claimed in claim 1 or 2, is characterized in that, described pupil position harvester also includes a pair of glasses, and described pupil position collecting unit is installed on the optional position of the inboard close eyes of described glasses.
4. mobile terminal as claimed in claim 1, is characterized in that, described position information sending unit and positional information receiving element are wireless communication module.
5. mobile terminal as claimed in claim 4, is characterized in that, described wireless communication module also is connected with at least one antenna.
6. mobile terminal as claimed in claim 1, is characterized in that, described projecting cell is the projection head that is arranged on the Three dimensional rotation platform.
7. mobile terminal as claimed in claim 1, is characterized in that, described projection control module is central processor CPU, digital signal processor DSP or the single-chip microprocessor MCU of installing on described mobile terminal.
8. mobile terminal as claimed in claim 3, is characterized in that, the operation of the positional information at described pupil position collecting unit Real-time Collection eyes of user pupil place is specially:
Set up the first reference frame with plane, glasses place, then gather the eyes of user pupil at the coordinate of the first reference frame;
Accordingly, described projection control module is set up the second reference frame with described mobile terminal self position;
Described projection control module according to glasses the position in the second reference frame and eyes of user pupil at the coordinate of the first reference frame, carry out the coordinate overlap-add operation, the position of final acquisition eyes of user pupil in the second reference frame, then according to the position of eyes of user pupil in the second reference frame, the picture launching position of controlling projection unit in real time.
9. mobile terminal as claimed in claim 8, is characterized in that, also comprises:
At least three infra-red ray transmitting unit are installed on the glasses edges, are used in real time the projection target emission infrared ray light to the outside;
The infrared induction unit, be installed on described mobile terminal main body, for the position of joining between the infrared ray light of responding in real time described three infra-red ray transmitting unit emission and described projection target, then according to these three joinings, determine plane, projection target place;
the operation of the picture launching position of described projection control module controlling projection unit is specially: described projection control module is used for according to position and the described projection target place plane position in second reference frame of eyes of user pupil at the first reference frame and the second reference frame, determine the position of joining in the second reference frame on described eyes of user pupil and plane, described projection target place, then throw in real time with this position the picture that shows on described mobile terminal display screen curtain, so that the picture launching position is consistent with user's virtual location.
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Application publication date: 20130612 |